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accounts/abi/bind: check event signature before parsing (#23230)

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* accounts/abi/bind: check event signature before parsing

* remove redundant break line
This commit is contained in:
Yihau Chen 2021-09-28 18:56:03 +08:00 committed by GitHub
parent 783e97ef1f
commit 92c5d104d0
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 11 additions and 5 deletions
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6
accounts/abi/bind/base.go
View File

@ -431,6 +431,9 @@ func (c *BoundContract) WatchLogs(opts *WatchOpts, name string, query ...[]inter
// UnpackLog unpacks a retrieved log into the provided output structure. // UnpackLog unpacks a retrieved log into the provided output structure.
func (c *BoundContract) UnpackLog(out interface{}, event string, log types.Log) error { func (c *BoundContract) UnpackLog(out interface{}, event string, log types.Log) error {
if log.Topics[0] != c.abi.Events[event].ID {
return fmt.Errorf("event signature mismatch")
}
if len(log.Data) > 0 { if len(log.Data) > 0 {
if err := c.abi.UnpackIntoInterface(out, event, log.Data); err != nil { if err := c.abi.UnpackIntoInterface(out, event, log.Data); err != nil {
return err return err
@ -447,6 +450,9 @@ func (c *BoundContract) UnpackLog(out interface{}, event string, log types.Log)
// UnpackLogIntoMap unpacks a retrieved log into the provided map. // UnpackLogIntoMap unpacks a retrieved log into the provided map.
func (c *BoundContract) UnpackLogIntoMap(out map[string]interface{}, event string, log types.Log) error { func (c *BoundContract) UnpackLogIntoMap(out map[string]interface{}, event string, log types.Log) error {
if log.Topics[0] != c.abi.Events[event].ID {
return fmt.Errorf("event signature mismatch")
}
if len(log.Data) > 0 { if len(log.Data) > 0 {
if err := c.abi.UnpackIntoMap(out, event, log.Data); err != nil { if err := c.abi.UnpackIntoMap(out, event, log.Data); err != nil {
return err return err

10
accounts/abi/bind/base_test.go
View File

@ -110,7 +110,7 @@ const hexData = "0x000000000000000000000000376c47978271565f56deb45495afa69e59c16
func TestUnpackIndexedStringTyLogIntoMap(t *testing.T) { func TestUnpackIndexedStringTyLogIntoMap(t *testing.T) {
hash := crypto.Keccak256Hash([]byte("testName")) hash := crypto.Keccak256Hash([]byte("testName"))
topics := []common.Hash{ topics := []common.Hash{
common.HexToHash("0x0"), crypto.Keccak256Hash([]byte("received(string,address,uint256,bytes)")),
hash, hash,
} }
mockLog := newMockLog(topics, common.HexToHash("0x0")) mockLog := newMockLog(topics, common.HexToHash("0x0"))
@ -135,7 +135,7 @@ func TestUnpackIndexedSliceTyLogIntoMap(t *testing.T) {
} }
hash := crypto.Keccak256Hash(sliceBytes) hash := crypto.Keccak256Hash(sliceBytes)
topics := []common.Hash{ topics := []common.Hash{
common.HexToHash("0x0"), crypto.Keccak256Hash([]byte("received(string[],address,uint256,bytes)")),
hash, hash,
} }
mockLog := newMockLog(topics, common.HexToHash("0x0")) mockLog := newMockLog(topics, common.HexToHash("0x0"))
@ -160,7 +160,7 @@ func TestUnpackIndexedArrayTyLogIntoMap(t *testing.T) {
} }
hash := crypto.Keccak256Hash(arrBytes) hash := crypto.Keccak256Hash(arrBytes)
topics := []common.Hash{ topics := []common.Hash{
common.HexToHash("0x0"), crypto.Keccak256Hash([]byte("received(address[2],address,uint256,bytes)")),
hash, hash,
} }
mockLog := newMockLog(topics, common.HexToHash("0x0")) mockLog := newMockLog(topics, common.HexToHash("0x0"))
@ -187,7 +187,7 @@ func TestUnpackIndexedFuncTyLogIntoMap(t *testing.T) {
var functionTy [24]byte var functionTy [24]byte
copy(functionTy[:], functionTyBytes[0:24]) copy(functionTy[:], functionTyBytes[0:24])
topics := []common.Hash{ topics := []common.Hash{
common.HexToHash("0x99b5620489b6ef926d4518936cfec15d305452712b88bd59da2d9c10fb0953e8"), crypto.Keccak256Hash([]byte("received(function,address,uint256,bytes)")),
common.BytesToHash(functionTyBytes), common.BytesToHash(functionTyBytes),
} }
mockLog := newMockLog(topics, common.HexToHash("0x5c698f13940a2153440c6d19660878bc90219d9298fdcf37365aa8d88d40fc42")) mockLog := newMockLog(topics, common.HexToHash("0x5c698f13940a2153440c6d19660878bc90219d9298fdcf37365aa8d88d40fc42"))
@ -208,7 +208,7 @@ func TestUnpackIndexedBytesTyLogIntoMap(t *testing.T) {
bytes := []byte{1, 2, 3, 4, 5} bytes := []byte{1, 2, 3, 4, 5}
hash := crypto.Keccak256Hash(bytes) hash := crypto.Keccak256Hash(bytes)
topics := []common.Hash{ topics := []common.Hash{
common.HexToHash("0x99b5620489b6ef926d4518936cfec15d305452712b88bd59da2d9c10fb0953e8"), crypto.Keccak256Hash([]byte("received(bytes,address,uint256,bytes)")),
hash, hash,
} }
mockLog := newMockLog(topics, common.HexToHash("0x5c698f13940a2153440c6d19660878bc90219d9298fdcf37365aa8d88d40fc42")) mockLog := newMockLog(topics, common.HexToHash("0x5c698f13940a2153440c6d19660878bc90219d9298fdcf37365aa8d88d40fc42"))